<template>
  <view>
    <!-- 搜索组件 -->
    <view class="search-box">
      <my-seach @click="gotoSearch"></my-seach>
    </view>
    <!-- 轮播图区域 -->
    <swiper :indicator-dots="true" :autoplay="true" :interval="3000" :duration="1000" :circular="true">
      <swiper-item v-for="(item,index) in swiperList" :key="index">
          <!-- 动态绑定图片的 src 属性 -->
          <navigator class="swiper-item" :url="'/subkg/goods_detail/goods_detail?goods_id='+item.goods_id" >
            <image :src="item.image_src" class="nav-img"></image>
          </navigator>
      </swiper-item>
    </swiper>
    
    <!-- 分类导航区域 -->
    <view class="nav-list">
      <view class="nav-item" v-for="(item,index) in navList" :key="index" @click="navClickHandler(item)">
        <image :src="item.image_src" class="nav-img"> </image>
      </view>
    </view>
    
    <!-- 楼层容器 -->
    <view class="floor-list">
      <!-- 每层楼的item项 -->
      <view class="floor-item" v-for="(item,index) in floorList" :key="index">
        <!-- 楼层标题 -->
        <image :src="item.floor_title.image_src" class="floor-title"></image>
        <!-- 楼层大图区域 -->
        <view class="floor-img-box">
          <!-- 左侧大图 -->
          <navigator class="left-img-box" :url="item.product_list[0].url">
            <image :src="item.product_list[0].image_src" :style="{width:item.product_list[0].image_width + 'rpx'}" mode="widthFix"></image>
          </navigator>
          <!-- 右侧四个小图 -->
          <view class="right-img-box">
            <navigator class="right-img-item" v-for="(item2,i2) in item.product_list" :key="i2" v-if="i2 !==0" :url="item2.url">
              <image :src="item2.image_src" :style="{width:item2.image_width + 'rpx'}" mode="widthFix"></image>
            </navigator>
          </view>
        </view>
      </view>
      
    </view>
  </view>
</template>

<script>
import badgeMix from '@/mixins/tabbar-badge.js' // 导入自己封装的 mixin 模块
  export default {
    mixins:[badgeMix],
    data() {
      return {
        swiperList:[] ,//轮播图数据
        navList:[], //分类导航数据 
        floorList:[] //楼层数据列表
      };
    },
    onLoad() {
      this.getSwiperList()
      this.getNavList()
      this.getFloorList()
    },
    methods:{
        async getSwiperList(){
          //请求获取数据
          const {data:res}=await uni.$http.get('/api/public/v1/home/swiperdata')
          //请求失败
          if(res.meta.status !== 200){
            return uni.$showMsg()
          }
          //请求成功
          this.swiperList=res.message
          uni.$showMsg('数据请求成功！navgator')
        },
        async getNavList(){
          const { data:res}=await uni.$http.get('/api/public/v1/home/catitems')
          if(res.meta.status !==200) return uni.$showMsg()
          this.navList=res.message
        },
        navClickHandler(item){
          if(item.name === '分类'){
            uni.switchTab({
              url:'/pages/cate/cate'
            })
          }
        },
        async getFloorList(){
          const {data:res}=await uni.$http.get('/api/public/v1/home/floordata')
          if(res.meta.status !== 200) return uni.$showMsg()
          //对数据进入处理
          res.message.forEach(floor=>{
            floor.product_list.forEach(prod=>{
              prod.url='/subkg/goods_list/goods_list?' + prod.navigator_url.split('?')[1]
            })
          })
          this.floorList=res.message
        },
        gotoSearch(){
          uni.navigateTo({
            url:'/subkg/search/search'
          })
        }
    }
  }
</script>

<style lang="scss">
swiper {
  height: 330rpx;
  .swiper-item,
  image {
  width: 100%;
  height: 100%;
  }
}
.nav-list{
  display: flex;
  justify-content: space-around;
  margin: 15px 0px;
  .nav-img{
    width: 128rpx;
    height: 140rpx;
  }
}
.floor-title{
  height: 60rpx;
  width: 100%;
}
.right-img-box{
    display: flex;
    flex-wrap: wrap;
    justify-content: space-around;
  }
  .floor-img-box{
        display: flex;
        padding-left: 15rpx;
      }
      .search-box {
        // 设置定位效果为“吸顶”
        position: sticky;
        // 吸顶的“位置”
        top: 0;
        // 提高层级，防止被轮播图覆盖
        z-index: 999;
      }
</style>
